#region The MIT License
// The MIT License
// 
// Copyright (c) 2009 octalforty studios
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#endregion
using System;

namespace octalforty.Componento.Util
{
    public static class UriUtil
    {
        /// <summary>
        /// Returns the last segment from <see cref="Uri.Segments"/> of an <paramref name="uri"/>.
        /// </summary>
        /// <param name="uri"></param>
        /// <returns></returns>
        public static string GetLastSegment(Uri uri)
        {
            return uri.Segments[uri.Segments.Length - 1];
        }

        public static Uri GetUriWithoutQuery(Uri uri)
        {
            if(string.IsNullOrEmpty(uri.Query))
                return uri;

            string originalString = uri.OriginalString;

            return new Uri(originalString.Substring(0, originalString.Length - uri.Query.Length));
        }

        public static string GetBareQuery(Uri uri)
        {
            return string.IsNullOrEmpty(uri.Query) ?
                string.Empty :
                uri.Query.Substring(1);
        }
    }
}
